Supports transactions, row-level locking, and foreign keys
[ Variables | Buffer Pool | InnoDB Status ]
===================================== 2024-09-20 00:41:22 0x7fdda8c95700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 41 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 49 srv_active, 0 srv_shutdown, 585 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 482 OS WAIT ARRAY INFO: signal count 456 RW-shared spins 56, rounds 104, OS waits 48 RW-excl spins 147, rounds 1153, OS waits 20 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 1.86 RW-shared, 7.84 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 10252 Purge done for trx's n:o < 10250 undo n:o < 0 state: running but idle History list length 9 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 422065639291496, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 422065639290624, not started 0 lock struct(s), heap size 1136, 0 row lock(s) -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 0; buffer pool: 0 1510 OS file reads, 2697 OS file writes, 784 OS fsyncs 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 5 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 6 buffer(s) 948.64 hash searches/s, 566.79 non-hash searches/s --- LOG --- Log sequence number 52084500 Log buffer assigned up to 52084500 Log buffer completed up to 52084500 Log written up to 52084500 Log flushed up to 52084500 Added dirty pages up to 52084500 Pages flushed up to 52084500 Last checkpoint at 52084500 1243 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 497163 Buffer pool size 8192 Free buffers 6629 Database pages 1537 Old database pages 557 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 587, not young 3144 0.00 youngs/s, 0.00 non-youngs/s Pages read 1375, created 301, written 1265 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1537, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=367, Main thread ID=140590153127680 , state=sleeping Number of rows inserted 18314, updated 1795, deleted 1528, read 1087494 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1293.43 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================